For K3 prevent ID; command from K22; command

Remote ops was having a problem with K22;
https://github.com/Hamlib/Hamlib/issues/1254

rigs/kenwood/kenwood.c

@@ -348,9 +348,11 @@ transaction_write:
         skip |= strncmp(cmdstr, "KYW", 3) == 0;
         skip |= strncmp(cmdstr, "PS1", 3) == 0;
         skip |= strncmp(cmdstr, "PS0", 3) == 0;
+        skip |= strncmp(cmdstr, "K22", 3) == 0;
 
         if (skip)
         {
+            hl_usleep(200*1000); // give little settle time for these commands
             goto transaction_quit;
         }
     }

rigs/kenwood/kenwood.h

@@ -28,7 +28,7 @@
 #include "token.h"
 #include "idx_builtin.h"
 
-#define BACKEND_VER "20230225"
+#define BACKEND_VER "20230318"
 
 #define EOM_KEN ';'
 #define EOM_TH '\r'